CHISQ.INV

Returns the inverse of the chi-squared distribution[1].

Syntax:

CHISQ.INV( probability:Number, degrees of freedom:PositiveInteger )

For the given probability in [0,1], returns the corresponding x-value which yields that probability for the chi-squared distribution with given degrees of freedom.

Revisions:

This function was added in Fireworkz 2.00.

  1. Weisstein, Eric W. "Chi-squared Distribution." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Chi-SquaredDistribution.html